audio_basic_processor_handler.cc | Explore in Territory

/*
 * Copyright (C) 2010, Google Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1.  Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2.  Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE
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 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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#include "third_party/blink/renderer/modules/webaudio/audio_basic_processor_handler.h"

#include <memory>

#include "third_party/blink/renderer/modules/webaudio/audio_node_input.h"
#include "third_party/blink/renderer/modules/webaudio/audio_node_output.h"
#include "third_party/blink/renderer/platform/audio/audio_bus.h"
#include "third_party/blink/renderer/platform/audio/audio_processor.h"

namespace blink {

namespace {

constexpr unsigned kDefaultNumberOfOutputChannels = …;

}  // namespace

AudioBasicProcessorHandler::AudioBasicProcessorHandler(
    NodeType node_type,
    AudioNode& node,
    float sample_rate,
    std::unique_ptr<AudioProcessor> processor)
    : … { … }

AudioBasicProcessorHandler::~AudioBasicProcessorHandler() { … }

void AudioBasicProcessorHandler::Initialize() { … }

void AudioBasicProcessorHandler::Uninitialize() { … }

void AudioBasicProcessorHandler::Process(uint32_t frames_to_process) { … }

void AudioBasicProcessorHandler::ProcessOnlyAudioParams(
    uint32_t frames_to_process) { … }

// Nice optimization in the very common case allowing for "in-place" processing
void AudioBasicProcessorHandler::PullInputs(uint32_t frames_to_process) { … }

// As soon as we know the channel count of our input, we can lazily initialize.
// Sometimes this may be called more than once with different channel counts, in
// which case we must safely uninitialize and then re-initialize with the new
// channel count.
void AudioBasicProcessorHandler::CheckNumberOfChannelsForInput(
    AudioNodeInput* input) { … }

unsigned AudioBasicProcessorHandler::NumberOfChannels() { … }

bool AudioBasicProcessorHandler::RequiresTailProcessing() const { … }

double AudioBasicProcessorHandler::TailTime() const { … }

double AudioBasicProcessorHandler::LatencyTime() const { … }

bool AudioBasicProcessorHandler::HasNonFiniteOutput() const { … }

}  // namespace blink
chromium/third_party/blink/renderer/modules/webaudio/audio_basic_processor_handler.cc
